Saint Joseph County (South Bend)
December
Weather in Saint Joseph County for December 2025
Your guide to Saint Joseph County weather in December - trends and predictions
With an average of 5 snowy days, Saint Joseph County usually enjoys a light touch of snow in December.
In general, the average temperature in Saint Joseph County at the beginning of December is -0.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 4.4 °F by the end of December.
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Snow Forecast ❄️
Temperatures
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20
Dry days
6
Rainy days
5
Snow days
1°/-2°
Temperatures
24 km/h
Avg max wind
83 %
Avg humidity
Saint Joseph County Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  -1° | 2 -1° | 3  1° | 4 1° | 5  -3° | 6  -2° | |
| 7 4° | 8  1° | 9  3° | 10  2° | 11  -1° | 12 -5° | 13  -2° |
| 14 1° | 15  2° | 16 5° | 17 4° | 18 1° | 19 0° | 20 1° |
| 21 -1° | 22 0° | 23 0° | 24 0° | 25 0° | 26 3° | 27 5° |
| 28 10° | 29  6° | 30 5° | 31 2° |
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Temperatures trend during December in Saint Joseph County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Overcast | -1° /-4° | 0 mm | 0 cm | |
| Dec. 2 | Overcast | -1° /-4° | 0 mm | 0 cm | |
| Dec. 3 | Moderate snow | 1° /-3° | 16 mm | 10.4 cm | |
| Dec. 4 | Overcast | 1° /-4° | 0 mm | 0 cm | |
| Dec. 5 | Blowing snow | -3° /-6° | 6.7 mm | 0.9 cm | |
| Dec. 6 | Cloudy | -2° /-4° | 0 mm | 0 cm | |
| Dec. 7 | Overcast | 4° /-2° | 0 mm | 0 cm | |
| Dec. 8 | Fog | 1° /0° | 0 mm | 0 cm | |
| Dec. 9 | Heavy rain at times | 3° /0° | 4.2 mm | 0 cm | |
| Dec. 10 | Freezing fog | 2° /-1° | 0 mm | 0 cm | |
| Dec. 11 | Moderate or heavy snow showers | -1° /-4° | 0.6 mm | 0.4 cm | |
| Dec. 12 | Cloudy | -5° /-9° | 0 mm | 0 cm | |
| Dec. 13 | Partly cloudy | -2° /-9° | 0 mm | 0 cm | |
| Dec. 14 | Overcast | 1° /-5° | 3.2 mm | 0 cm | |
| Dec. 15 | Light rain | 2° /1° | 32.7 mm | 0 cm | |
| Dec. 16 | Overcast | 5° /1° | 0 mm | 0 cm | |
| Dec. 17 | Overcast | 4° /0° | 0 mm | 0 cm | |
| Dec. 18 | Mist | 1° /-1° | 0 mm | 0 cm | |
| Dec. 19 | Overcast | 0° /-2° | 0 mm | 0 cm | |
| Dec. 20 | Overcast | 1° /-1° | 3.1 mm | 2.3 cm | |
| Dec. 21 | Overcast | -1° /-3° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 0° /-3° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | 0° /-2° | 0 mm | 0 cm | |
| Dec. 24 | Fog | 0° /0° | 0 mm | 0 cm | |
| Dec. 25 | Freezing fog | 0° /-2° | 0 mm | 0 cm | |
| Dec. 26 | Fog | 3° /0° | 0 mm | 0 cm | |
| Dec. 27 | Heavy rain at times | 5° /3° | 4.4 mm | 0 cm | |
| Dec. 28 | Overcast | 10° /6° | 2 mm | 0 cm | |
| Dec. 29 | Moderate or heavy rain shower | 6° /3° | 28.2 mm | 0 cm | |
| Dec. 30 | Fog | 5° /2° | 0 mm | 0 cm | |
| Dec. 31 | Moderate or heavy rain shower | 2° /0° | 36.1 mm | 4.6 cm | |
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Important Notice
Our weather forecast for Saint Joseph County in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint Joseph County forecast closer to your planned date for the most up-to-date weather information.
Saint Joseph County in December - FAQ
What are the expected maximum and minimum temperatures in Saint Joseph County during December?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Saint Joseph County during December?
Significant rainfall exceeding 137.2 mm is expected in Saint Joseph County during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Saint Joseph County in December 2025?
Saint Joseph County experiences an average snowfall of 18.6 cm during December, occurring over 5 days.
What are the typical wind conditions in Saint Joseph County during December?
The average wind speed in Saint Joseph County during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
Saint Joseph County snow forecast December 2025
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December rainfall patterns in Saint Joseph County
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Where is Saint Joseph County?Get accurate weather forecasts for Saint Joseph County, located at latitude 41.683 and longitude -86.25. Stay updated with localized weather information tailored for Saint Joseph County.
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